import axios from 'axios'
import { ElMessage } from 'element-plus'
import 'element-plus/theme-chalk/el-message.css'

import { useUserStore } from '@/stores/user'
import router  from '@/router'
const httpInstance = axios.create({
  baseURL: 'http://pcapi-xiaotuxian-front-devtest.itheima.net',
  timeout: 5000
})

/**
 * 请求拦截
 */
httpInstance.interceptors.request.use(
  (config) => {
    // 1. 从pinia中获取token数据
    const userStore = useUserStore()
    // 2. 按照后端的要求拼接token数据
    const token = userStore.userInfo.token
    if(token){
      config.headers.Authorization = `Bearer ${token}`
    }
    return config
  },
  (e) => {
    return Promise.reject(e)
  }
)

/**
 * 响应拦截
 */
httpInstance.interceptors.response.use(
  (res) => {
    return res.data
  },
  (e) => {
    const userStore = useUserStore()
    // 统一错误提示
    ElMessage({
      type: 'warning',
      message: e.response.data.message
    })

    // 401 token失效处理
    // 1. 清除本地用户数据
    // 2. 跳转到登录页
    if(e.response.status === 401){
      userStore.clearUserInfo()
      router.push('/login')
    }
    return Promise.reject(e)
  }
)
export default httpInstance
